A: A blood moon is a deep reddening of the moon caused by the Earth passing between the moon and the sun. During the period of the eclipse, light from the sun... Full Answer >
Sometimes, bones are the only accessible source of DNA, thanks to their structure, which preserves DNA comparatively well and for a long time. The main problems of DNA extraction from bones are DNA degradation due to environmental factors and the presence of soil-derived inhibitors like humus acids [1â10].
Experts carry out DNA tests on bones thought to belong to monarchs from 1,000 years ago including King Canute. DNA tests are being carried out on bones thought to belong to kings and queens from 1,000 years ago, including King Canute. Experts at Winchester Cathedral are studying the contents of mortuary chests full of bones, which are expected to include those of former Anglo-Saxon and Norman monarchs.